Conbraco Industries 40-004-A4 Rubber Repair Kit for 3/4″ & 1″ 40-200 Series

Description

The Conbraco Industries 40-004-A4 is a genuine OEM rubber repair kit engineered specifically for 3/4″ and 1″ 40-200 series backflow preventers. Designed to restore proper sealing and valve function, this kit provides technicians and plumbing professionals with the exact replacement rubber components needed to return a backflow preventer to like-new operating condition — without the cost of a full unit replacement.

Using genuine Conbraco replacement parts ensures compatibility, proper fit, and long-lasting performance in potable water and hydronic system applications. This kit is an essential addition to any service technician’s inventory for routine maintenance or emergency repairs on 40-200 series assemblies.

Key Features

• Genuine OEM Conbraco replacement rubber components
• Compatible with 3/4″ and 1″ 40-200 series backflow preventers
• Restores proper sealing and check valve function
• Cost-effective alternative to full unit replacement
• Ideal for routine maintenance and emergency field repairs
• Engineered for accurate fit and reliable long-term performance

Application

• Potable water systems
• Hydronic heating systems
• Commercial and residential plumbing installations
• Irrigation and fire protection backflow assemblies

Compatibility

• Fits: Conbraco 40-200 series backflow preventers
• Sizes: 3/4″ and 1″